Gettysburg-Introduction-to-programming

print(‘//****************************************’) print(‘// File: Program1: open/calculate words’) print(‘// Name: Soukhna Wade’) print(‘// Date: 11/20/2020’) print(‘// Course: DSC510_Introduction to Python’) print(‘// Desc: This program performs three essential operations’) print(‘// It will process this .txt file: Gettysburg.txt. ‘) print(‘// Nicely print the output, in this case from high to low frequency n/ You should use string formatting for this. (See discussion 8.3)’) print(‘// Calculate the total words, and output the number of occurrences of each word in the file.’) print(‘// Usage: Program will use string formatting’) print(‘// Click the link to download the text file named Gettysburg.txt’) print(‘//*****************************************’)

import string from re import split

def pretty_print(word_dict): #Print nicely from highest to lowest frequency value_key_list = [] for key, val in word_dict.items(): value_key_list.append((val, key)) # sort method sorts on list’s first element, the frequency. value_key_list.sort(reverse=True) # Reverse to get biggest first print(‘‘.format(‘Word’, ‘Count’)) print(‘ ‘ * 21) print(“—————————”) for val, key in value_key_list: print(‘ {:<3d}’.format(key, val))

def process_line(line, word_dict): line = line.strip() # Remove the leading spaces and newline character word_list = line.split(“ “) # Split the line into word_list for word in word_list: # Loop through each word of the file if word != ‘–’: # ignore the ‘–’ in the file word = word.lower() #convert the characters in line to lowercase to avoid case mismatch word = word.strip() word = word.strip(string.punctuation) add_word(word, word_dict) # add_word(word, word_dict)

def add_word(word, word_dict): # add_word: Add each word to the dictionary if word in word_dict: # Check if the word is already in dictionary word_dict[word] += 1 # Increment count of word by 1 else: if word != ‘’: # check if word is not an empty space word_dict[word] = 1

def main(): word_count_dict = {} text = open(‘gettysburg.txt’, ‘r’) # Open a file for reading: for line in text: process_line(line, word_count_dict) print(‘Length of the dictionary:’, len(word_count_dict)) pretty_print(word_count_dict) if name == “main”: main() # execute only if run as a script